The system converts currency based on Google Exchange Rate. The system uses PHP CURL to communicate with Google server to carry out the conversion.
This system can work with any currency conversion website to achieve the same result. All you need to do is to pass the website URL along with the necessary information to the vpb_concurrency_converter() function to achieve the same result.
To install the system on your server, simply download the zipped folder containing the required files, upload and extract this folder to your server, locate the folder via your web browser and you are done.
No form of configuration is required.